export function getPosition(c) {
    var cartographic = Cesium.Ellipsoid.WGS84.cartesianToCartographic(c)
    //经纬度坐标
    var lon = Number(Cesium.Math.toDegrees(cartographic.longitude))
    var lat = Number(Cesium.Math.toDegrees(cartographic.latitude))
    var height = Number(cartographic.height)
  
    return { lon, lat, height }
  }
  